ENH: Added first implementation of FiberTractMeasurements CLI module.

git-svn-id: http://svn.slicer.org/Slicer4/trunk@23831 3bd1e089-480b-0410-8dfb-8563597acbee
ENH: Added cluster aggregation based on hierarchy to FiberTractMeasurements CLI module.

git-svn-id: http://svn.slicer.org/Slicer4/trunk@23832 3bd1e089-480b-0410-8dfb-8563597acbee